//: C25:Recycle4.cpp
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
//{L} TrashPrototypeInit
//{L} fillBin Trash TrashStatics
// Adding TrashBins and TrashSorters
#include "Trash.h"
#include "Aluminum.h"
#include "Paper.h"
#include "Glass.h"
#include "Cardboard.h"
#include "fillBin.h"
#include "sumValue.h"
#include "../purge.h"
#include <fstream>
#include <vector>
using namespace std;
ofstream out("Recycle4.out");

class TBin : public vector<Trash*>
{
public:
    virtual bool grab(Trash*) = 0;
};

template<class TrashType>
class TrashBin : public TBin
{
public:
    bool grab(Trash* t) {
        TrashType* tp = dynamic_cast<TrashType*>(t);
        if (!tp) return false; // Not grabbed
        push_back(tp);
        return true; // Object grabbed
    }
};

class TrashSorter : public vector<TBin*>
{
public:
    bool sort(Trash* t) {
        for (iterator it = begin(); it != end(); it++)
            if ((*it)->grab(t))
                return true;
        return false;
    }
    void sortBin(vector<Trash*>& bin) {
        vector<Trash*>::iterator it;
        for (it = bin.begin(); it != bin.end(); it++)
            if (!sort(*it))
                cerr << "bin not found" << endl;
    }
    ~TrashSorter() {
        purge(*this);
    }
};

int main()
{
    vector<Trash*> bin;
    // Fill up the Trash bin:
    fillBin("Trash.dat", bin);
    TrashSorter tbins;
    tbins.push_back(new TrashBin<Aluminum>());
    tbins.push_back(new TrashBin<Paper>());
    tbins.push_back(new TrashBin<Glass>());
    tbins.push_back(new TrashBin<Cardboard>());
    tbins.sortBin(bin);
    for (TrashSorter::iterator it = tbins.begin();
            it != tbins.end(); it++)
        sumValue(**it);
    sumValue(bin);
    purge(bin);
} ///:~
